Fig. 1

Four grafting methods. Gray color represents low-gossypol cotton, black color represents high-gossypol cotton; 1 Represents scion, and 2 Represents rootstock. A Scion and rootstock both are low-gossypol cotton B. Scion is low-gossypol cotton and rootstock is high-gossypol cotton C. Scion and rootstock both are high-gossypol cotton D. Scion is high-gossypol cotton and rootstock is low-gossypol cotton E. Ungrafted low-gossypol cotton F. Ungrafted high-gossypol cotton